from sys import argv

script, filename = argv

txt = open(filename)

print(f"Here's your file {filename}:")
print(txt.read())

print("Type the filename again:")
file_again = input("> ")

txt_again = open(file_again)

print(txt_again.read())

file_example = input("> ")
with open(file_example, 'a') as file:
    content = file.read()
    print(content)
